1. Conan’s favorite food is beef Stew
2. He strongly suspects there was something between Haibara and Gin
3. He does not fully trust Haibara because he knows she’s withholding information.
4. Conan is traumatized, though I doubt even he realizes this. He tends to freeze over when someone he doesn’t know, opens a cell phone.
5. He is in constant contact with the FBI, Kir, and Vermouth
6. Ran is the most important thing in the world to him. Her needs come before his.
7. Conan does not work well under pressure, he’s still smart, he just works slower.
8. He knows how to disarm five kinds of bombs.
9. Red is his favorite color
10. He does not give a damn about Kaitou Kid, Heists are just something to do between cases.
11. Conan is constantly haunted by the organization
12. (in game) Now that Ran knows, he’s a little too lose with the secret and has not realized it.
13. Conan cannot tolerate stupidity.
14. He will not accept cases of adultery, those are boring to him.
15. He actually likes the Shounen Tantei dan, despite what he says.
16. Conan is actually religious as he does not immediately close off the idea of a curse, or divine intervention. Though he will continue to investigate.
17. He never stops to think about what he’s doing before he runs off, he just remembers he needs to go someplace and leaves.
18. He actually enjoys the time he spends with Kogoro on most occasions.
19. He’s grown accustom to his glasses, and will put them back on if they are knocked off like he needs them to see. When in actuality, he doesn’t.
20. The reason why he’s retained so many random facts is because of how much he reads. He remembers almost every single thing he’s ever read.